6. Adequate organ function including: a) Absolute neutrophil count (ANC) =/>1,500cells/mm^3; b) Platelets =/>100,000/ul; c) Hemoglobin >9.0 g/dL; d) Total bilirubin =/<1.5mg/dL In patients with known Gilbert's syndrome, direct bilirubin =/<1.5 x upper limit of normal (ULN) will be used as organ function criteria, instead of total bilirubin; e) AST and ALT < 2.5 x ULN; f) Alkaline phosphatase <2.5x ULN; g) Creatinine <1.5 gm/dL.